List of government space agencies

The listings summarize all countries' and regional authorities' space agencies with a comparative summary of demonstrated capabilities.

The objectives include national prestige, exploitation of remote sensing information, communications, education, and economic development.

This group of agencies have developed advanced technological capabilities required for travel and study of other heavenly bodies within the Solar System.

These involve the capacity to leave the local area around the planet Earth for lunar and/or missions to other bodies in the Solar System.

As far as we know as of the 10th May 2024, five space agencies have achieved the requirements to be listed here: [a] This small group of countries/space agencies have demonstrated the highest technological capacity with systems and solutions that support human spaceflight along with the ancillary technological capabilities to support human activity in orbit and/or on extraterrestrial bodies.